// 基于准备好的dom，初始化echarts实例
    var myChart = echarts.init(document.getElementById('main-echart3'));

    // 指定图表的配置项和数据
    var option = {
    title: {
        text: ''
    },
    tooltip: {
        trigger: 'axis'
    },
    legend: {
        data:['提交订单数','放款笔数','拒绝笔数']
    },
    grid: {
        left: '3%',
        right: '4%',
        bottom: '3%',
        containLabel: true
    },
    toolbox: {
        feature: ''
    },
    xAxis: {
        type: 'category',
        boundaryGap: false,
        data: ['05-08','05-09','05-10','05-11','05-12','05-13','05-14']
    },
    yAxis: {
        type: 'value'
    },
    series: [
        {
            name:'提交订单数',
            type:'line',
            stack: '总量',
            data:[120, 132, 101, 134, 90, 230, 210]
        },
        {
            name:'放款笔数',
            type:'line',
            stack: '总量',
            data:[220, 182, 191, 234, 290, 330, 310]
        },
        {
            name:'拒绝笔数',
            type:'line',
            stack: '总量',
            data:[150, 232, 201, 154, 190, 330, 410]
        }
    ]
 };
 // 使用刚指定的配置项和数据显示图表。
        myChart.setOption(option);